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addons.go
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addons.go
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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.
package api
import (
"encoding/base64"
"fmt"
"strconv"
"strings"
"github.com/Azure/aks-engine/pkg/api/common"
"github.com/Azure/aks-engine/pkg/helpers"
"github.com/Azure/go-autorest/autorest/to"
log "github.com/sirupsen/logrus"
)
func (cs *ContainerService) setAddonsConfig(isUpgrade bool) {
var o *OrchestratorProfile
if cs.Properties != nil {
o = cs.Properties.OrchestratorProfile
}
clusterDNSPrefix := "aks-engine-cluster"
if cs != nil && cs.Properties != nil && cs.Properties.MasterProfile != nil && cs.Properties.MasterProfile.DNSPrefix != "" {
clusterDNSPrefix = cs.Properties.MasterProfile.DNSPrefix
}
cloudSpecConfig := cs.GetCloudSpecConfig()
specConfig := cloudSpecConfig.KubernetesSpecConfig
kubernetesImageBase := specConfig.MCRKubernetesImageBase
if o.KubernetesConfig.KubernetesImageBase != "" {
kubernetesImageBase = o.KubernetesConfig.KubernetesImageBase
}
k8sComponents := GetK8sComponentsByVersionMap(o.KubernetesConfig)[o.OrchestratorVersion]
omsagentImage := "mcr.microsoft.com/azuremonitor/containerinsights/ciprod:ciprod05262020"
omsagentWinImage := "mcr.microsoft.com/azuremonitor/containerinsights/ciprod:win-ciprod05262020-2"
var workspaceDomain string
if cs.Properties.IsCustomCloudProfile() {
dependenciesLocation := string(cs.Properties.CustomCloudProfile.DependenciesLocation)
workspaceDomain = helpers.GetLogAnalyticsWorkspaceDomain(dependenciesLocation)
if strings.EqualFold(dependenciesLocation, "china") {
omsagentImage = "mcr.azk8s.cn/azuremonitor/containerinsights/ciprod:ciprod05262020"
omsagentWinImage = "mcr.azk8s.cn/azuremonitor/containerinsights/ciprod:win-ciprod05262020-2"
}
} else {
workspaceDomain = helpers.GetLogAnalyticsWorkspaceDomain(cloudSpecConfig.CloudName)
if strings.EqualFold(cloudSpecConfig.CloudName, "AzureChinaCloud") {
omsagentImage = "mcr.azk8s.cn/azuremonitor/containerinsights/ciprod:ciprod05262020"
omsagentWinImage = "mcr.azk8s.cn/azuremonitor/containerinsights/ciprod:win-ciprod05262020-2"
}
}
workspaceDomain = base64.StdEncoding.EncodeToString([]byte(workspaceDomain))
defaultTillerAddonsConfig := KubernetesAddon{
Name: common.TillerAddonName,
Enabled: to.BoolPtr(DefaultTillerAddonEnabled),
Containers: []KubernetesContainerSpec{
{
Name: common.TillerAddonName,
CPURequests: "50m",
MemoryRequests: "150Mi",
CPULimits: "50m",
MemoryLimits: "150Mi",
Image: specConfig.TillerImageBase + k8sComponents[common.TillerAddonName],
},
},
Config: map[string]string{
"max-history": strconv.Itoa(DefaultTillerMaxHistory),
},
}
defaultACIConnectorAddonsConfig := KubernetesAddon{
Name: common.ACIConnectorAddonName,
Enabled: to.BoolPtr(DefaultACIConnectorAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Config: map[string]string{
"region": "westus",
"nodeName": "aci-connector",
"os": "Linux",
"taint": "azure.com/aci",
},
Containers: []KubernetesContainerSpec{
{
Name: common.ACIConnectorAddonName,
CPURequests: "50m",
MemoryRequests: "150Mi",
CPULimits: "50m",
MemoryLimits: "150Mi",
Image: specConfig.ACIConnectorImageBase + k8sComponents[common.ACIConnectorAddonName],
},
},
}
defaultClusterAutoscalerAddonsConfig := KubernetesAddon{
Name: common.ClusterAutoscalerAddonName,
Enabled: to.BoolPtr(DefaultClusterAutoscalerAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Mode: AddonModeEnsureExists,
Config: map[string]string{
"scan-interval": "1m",
"expendable-pods-priority-cutoff": "-10",
"ignore-daemonsets-utilization": "false",
"ignore-mirror-pods-utilization": "false",
"max-autoprovisioned-node-group-count": "15",
"max-empty-bulk-delete": "10",
"max-failing-time": "15m0s",
"max-graceful-termination-sec": "600",
"max-inactivity": "10m0s",
"max-node-provision-time": "15m0s",
"max-nodes-total": "0",
"max-total-unready-percentage": "45",
"memory-total": "0:6400000",
"min-replica-count": "0",
"new-pod-scale-up-delay": "0s",
"node-autoprovisioning-enabled": "false",
"ok-total-unready-count": "3",
"scale-down-candidates-pool-min-count": "50",
"scale-down-candidates-pool-ratio": "0.1",
"scale-down-delay-after-add": "10m0s",
"scale-down-delay-after-delete": "1m",
"scale-down-delay-after-failure": "3m0s",
"scale-down-enabled": "true",
"scale-down-non-empty-candidates-count": "30",
"scale-down-unneeded-time": "10m0s",
"scale-down-unready-time": "20m0s",
"scale-down-utilization-threshold": "0.5",
"skip-nodes-with-local-storage": "false",
"skip-nodes-with-system-pods": "true",
"stderrthreshold": "2",
"unremovable-node-recheck-timeout": "5m0s",
"v": "3",
"write-status-configmap": "true",
"balance-similar-node-groups": "true",
},
Containers: []KubernetesContainerSpec{
{
Name: common.ClusterAutoscalerAddonName,
CPURequests: "100m",
MemoryRequests: "300Mi",
CPULimits: "100m",
MemoryLimits: "300Mi",
Image: kubernetesImageBase + k8sComponents[common.ClusterAutoscalerAddonName],
},
},
Pools: makeDefaultClusterAutoscalerAddonPoolsConfig(cs),
}
defaultBlobfuseFlexVolumeAddonsConfig := KubernetesAddon{
Name: common.BlobfuseFlexVolumeAddonName,
Enabled: to.BoolPtr(DefaultBlobfuseFlexVolumeAddonEnabled && common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.8.0") && !cs.Properties.IsAzureStackCloud()),
Containers: []KubernetesContainerSpec{
{
Name: common.BlobfuseFlexVolumeAddonName,
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "50m",
MemoryLimits: "100Mi",
Image: k8sComponents[common.BlobfuseFlexVolumeAddonName],
},
},
}
defaultSMBFlexVolumeAddonsConfig := KubernetesAddon{
Name: common.SMBFlexVolumeAddonName,
Enabled: to.BoolPtr(DefaultSMBFlexVolumeAddonEnabled && common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.8.0") && !cs.Properties.IsAzureStackCloud()),
Containers: []KubernetesContainerSpec{
{
Name: common.SMBFlexVolumeAddonName,
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "50m",
MemoryLimits: "100Mi",
Image: k8sComponents[common.SMBFlexVolumeAddonName],
},
},
}
defaultKeyVaultFlexVolumeAddonsConfig := KubernetesAddon{
Name: common.KeyVaultFlexVolumeAddonName,
// keyvault-flexvolume solution will be deprecated in favor of secrets-store-csi-driver for 1.16+
Enabled: to.BoolPtr(DefaultKeyVaultFlexVolumeAddonEnabled && !cs.Properties.IsAzureStackCloud() &&
!common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.16.0")),
Containers: []KubernetesContainerSpec{
{
Name: common.KeyVaultFlexVolumeAddonName,
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "50m",
MemoryLimits: "100Mi",
Image: k8sComponents[common.KeyVaultFlexVolumeAddonName],
},
},
}
defaultDashboardAddonsConfig := KubernetesAddon{
Name: common.DashboardAddonName,
Enabled: to.BoolPtr(DefaultDashboardAddonEnabled),
Containers: []KubernetesContainerSpec{
{
Name: common.DashboardAddonName,
CPURequests: "300m",
MemoryRequests: "150Mi",
CPULimits: "300m",
MemoryLimits: "150Mi",
Image: k8sComponents[common.DashboardAddonName],
},
{
Name: common.DashboardMetricsScraperContainerName,
CPURequests: "300m",
MemoryRequests: "150Mi",
CPULimits: "300m",
MemoryLimits: "150Mi",
Image: k8sComponents[common.DashboardMetricsScraperContainerName],
},
},
}
defaultReschedulerAddonsConfig := KubernetesAddon{
Name: common.ReschedulerAddonName,
Enabled: to.BoolPtr(DefaultReschedulerAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Containers: []KubernetesContainerSpec{
{
Name: common.ReschedulerAddonName,
CPURequests: "10m",
MemoryRequests: "100Mi",
CPULimits: "10m",
MemoryLimits: "100Mi",
Image: kubernetesImageBase + k8sComponents[common.ReschedulerAddonName],
},
},
}
defaultMetricsServerAddonsConfig := KubernetesAddon{
Name: common.MetricsServerAddonName,
Enabled: to.BoolPtr(DefaultMetricsServerAddonEnabled),
Mode: AddonModeReconcile,
Containers: []KubernetesContainerSpec{
{
Name: common.MetricsServerAddonName,
Image: kubernetesImageBase + k8sComponents[common.MetricsServerAddonName],
},
},
}
if !common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.16.0") {
defaultMetricsServerAddonsConfig.Mode = AddonModeEnsureExists
}
defaultNVIDIADevicePluginAddonsConfig := KubernetesAddon{
Name: common.NVIDIADevicePluginAddonName,
Enabled: to.BoolPtr(cs.Properties.IsNvidiaDevicePluginCapable() && !cs.Properties.IsAzureStackCloud()),
Containers: []KubernetesContainerSpec{
{
Name: common.NVIDIADevicePluginAddonName,
// from https://github.com/kubernetes/kubernetes/blob/master/cluster/addons/device-plugins/nvidia-gpu/daemonset.yaml#L44
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "50m",
MemoryLimits: "100Mi",
Image: specConfig.NVIDIAImageBase + k8sComponents[common.NVIDIADevicePluginAddonName],
},
},
}
defaultContainerMonitoringAddonsConfig := KubernetesAddon{
Name: common.ContainerMonitoringAddonName,
Enabled: to.BoolPtr(DefaultContainerMonitoringAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Config: map[string]string{
"omsAgentVersion": "1.10.0.1",
"dockerProviderVersion": "10.0.0-1",
"schema-versions": "v1",
"clusterName": clusterDNSPrefix,
"workspaceDomain": workspaceDomain,
},
Containers: []KubernetesContainerSpec{
{
Name: "omsagent",
CPURequests: "150m",
MemoryRequests: "250Mi",
CPULimits: "1",
MemoryLimits: "750Mi",
Image: omsagentImage,
},
{
Name: "omsagent-win",
CPURequests: "150m",
MemoryRequests: "250Mi",
CPULimits: "1",
MemoryLimits: "750Mi",
Image: omsagentWinImage,
},
},
}
defaultIPMasqAgentAddonsConfig := KubernetesAddon{
Name: common.IPMASQAgentAddonName,
Enabled: to.BoolPtr(DefaultIPMasqAgentAddonEnabled &&
o.KubernetesConfig.NetworkPlugin != NetworkPluginCilium &&
o.KubernetesConfig.NetworkPlugin != NetworkPluginAntrea),
Containers: []KubernetesContainerSpec{
{
Name: common.IPMASQAgentAddonName,
CPURequests: "50m",
MemoryRequests: "50Mi",
CPULimits: "50m",
MemoryLimits: "250Mi",
Image: kubernetesImageBase + k8sComponents[common.IPMASQAgentAddonName],
},
},
Config: map[string]string{
"non-masquerade-cidr": cs.Properties.GetNonMasqueradeCIDR(),
"non-masq-cni-cidr": cs.Properties.GetAzureCNICidr(),
"secondary-non-masquerade-cidr": cs.Properties.GetSecondaryNonMasqueradeCIDR(),
"enable-ipv6": strconv.FormatBool(cs.Properties.FeatureFlags.IsFeatureEnabled("EnableIPv6DualStack") ||
cs.Properties.FeatureFlags.IsFeatureEnabled("EnableIPv6Only")),
},
}
defaultAzureCNINetworkMonitorAddonsConfig := KubernetesAddon{
Name: common.AzureCNINetworkMonitorAddonName,
Enabled: to.BoolPtr(o.IsAzureCNI() &&
o.KubernetesConfig.NetworkPolicy != NetworkPolicyCalico &&
o.KubernetesConfig.NetworkPolicy != NetworkPolicyAntrea),
Containers: []KubernetesContainerSpec{
{
Name: common.AzureCNINetworkMonitorAddonName,
Image: specConfig.AzureCNIImageBase + k8sComponents[common.AzureCNINetworkMonitorAddonName],
CPURequests: "30m",
MemoryRequests: "25Mi",
CPULimits: "200m",
MemoryLimits: "256Mi",
},
},
}
defaultAzureNetworkPolicyAddonsConfig := KubernetesAddon{
Name: common.AzureNetworkPolicyAddonName,
Enabled: to.BoolPtr(o.KubernetesConfig.NetworkPlugin == NetworkPluginAzure && o.KubernetesConfig.NetworkPolicy == NetworkPolicyAzure),
Mode: AddonModeReconcile,
Containers: []KubernetesContainerSpec{
{
Name: common.AzureNetworkPolicyAddonName,
Image: k8sComponents[common.AzureNetworkPolicyAddonName],
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "100m",
MemoryLimits: "200Mi",
},
},
}
if !common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.16.0") {
defaultAzureNetworkPolicyAddonsConfig.Mode = AddonModeEnsureExists
}
defaultCloudNodeManagerAddonsConfig := KubernetesAddon{
Name: common.CloudNodeManagerAddonName,
Enabled: to.BoolPtr(cs.Properties.ShouldEnableAzureCloudAddon(common.CloudNodeManagerAddonName)),
Containers: []KubernetesContainerSpec{
{
Name: common.CloudNodeManagerAddonName,
Image: specConfig.MCRKubernetesImageBase + k8sComponents[common.CloudNodeManagerAddonName],
},
},
}
defaultsCalicoDaemonSetAddonsConfig := KubernetesAddon{
Name: common.CalicoAddonName,
Enabled: to.BoolPtr(o.KubernetesConfig.NetworkPolicy == NetworkPolicyCalico),
Config: map[string]string{
"logSeverityScreen": "info",
"usageReportingEnabled": "true",
},
Containers: []KubernetesContainerSpec{
{
Name: common.CalicoTyphaComponentName,
Image: specConfig.CalicoImageBase + k8sComponents[common.CalicoTyphaComponentName],
},
{
Name: common.CalicoCNIComponentName,
Image: specConfig.CalicoImageBase + k8sComponents[common.CalicoCNIComponentName],
},
{
Name: common.CalicoNodeComponentName,
Image: specConfig.CalicoImageBase + k8sComponents[common.CalicoNodeComponentName],
},
{
Name: common.CalicoPod2DaemonComponentName,
Image: specConfig.CalicoImageBase + k8sComponents[common.CalicoPod2DaemonComponentName],
},
{
Name: common.CalicoClusterAutoscalerComponentName,
Image: k8sComponents[common.CalicoClusterAutoscalerComponentName],
},
},
}
defaultsCiliumAddonsConfig := KubernetesAddon{
Name: common.CiliumAddonName,
Enabled: to.BoolPtr(o.KubernetesConfig.NetworkPolicy == NetworkPolicyCilium),
Containers: []KubernetesContainerSpec{
{
Name: common.CiliumAgentContainerName,
Image: k8sComponents[common.CiliumAgentContainerName],
},
{
Name: common.CiliumCleanStateContainerName,
Image: k8sComponents[common.CiliumCleanStateContainerName],
},
{
Name: common.CiliumOperatorContainerName,
Image: k8sComponents[common.CiliumOperatorContainerName],
},
{
Name: common.CiliumEtcdOperatorContainerName,
Image: k8sComponents[common.CiliumEtcdOperatorContainerName],
},
},
}
defaultsAntreaDaemonSetAddonsConfig := KubernetesAddon{
Name: common.AntreaAddonName,
Enabled: to.BoolPtr(o.KubernetesConfig.NetworkPolicy == NetworkPolicyAntrea),
Config: map[string]string{
"serviceCidr": o.KubernetesConfig.ServiceCIDR,
"trafficEncapMode": common.AntreaDefaultTrafficEncapMode,
"installCniCmd": common.AntreaDefaultInstallCniCmd,
},
Containers: []KubernetesContainerSpec{
{
Name: common.AntreaControllerContainerName,
Image: k8sComponents[common.AntreaControllerContainerName],
CPURequests: "200m",
},
{
Name: common.AntreaAgentContainerName,
Image: k8sComponents[common.AntreaAgentContainerName],
CPURequests: "200m",
},
{
Name: common.AntreaOVSContainerName,
Image: k8sComponents[common.AntreaOVSContainerName],
CPURequests: "200m",
},
{
Name: common.AntreaInstallCNIContainerName,
Image: k8sComponents["antrea"+common.AntreaInstallCNIContainerName],
CPURequests: "100m",
},
},
}
// Set NetworkPolicyOnly mode when azure cni is enabled
if o.KubernetesConfig.NetworkPolicy == NetworkPolicyAntrea && o.IsAzureCNI() {
defaultsAntreaDaemonSetAddonsConfig.Config["trafficEncapMode"] = common.AntreaNetworkPolicyOnlyMode
defaultsAntreaDaemonSetAddonsConfig.Config["installCniCmd"] = common.AntreaInstallCniChainCmd
}
defaultsAADPodIdentityAddonsConfig := KubernetesAddon{
Name: common.AADPodIdentityAddonName,
Enabled: to.BoolPtr(DefaultAADPodIdentityAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Containers: []KubernetesContainerSpec{
{
Name: common.NMIContainerName,
Image: k8sComponents[common.NMIContainerName],
CPURequests: "100m",
MemoryRequests: "256Mi",
CPULimits: "200m",
MemoryLimits: "512Mi",
},
{
Name: common.MICContainerName,
Image: k8sComponents[common.MICContainerName],
CPURequests: "100m",
MemoryRequests: "256Mi",
CPULimits: "200m",
MemoryLimits: "1024Mi",
},
},
}
defaultsAzurePolicyAddonsConfig := KubernetesAddon{
Name: common.AzurePolicyAddonName,
Enabled: to.BoolPtr(DefaultAzurePolicyAddonEnabled && !cs.Properties.IsAzureStackCloud()),
Config: map[string]string{
"auditInterval": "60",
"constraintViolationsLimit": "100",
},
Containers: []KubernetesContainerSpec{
{
Name: common.AzurePolicyAddonName,
Image: k8sComponents[common.AzurePolicyAddonName],
CPURequests: "30m",
MemoryRequests: "50Mi",
CPULimits: "100m",
MemoryLimits: "200Mi",
},
{
Name: common.GatekeeperContainerName,
Image: k8sComponents[common.GatekeeperContainerName],
CPURequests: "100m",
MemoryRequests: "256Mi",
CPULimits: "1000m",
MemoryLimits: "512Mi",
},
},
}
defaultNodeProblemDetectorConfig := KubernetesAddon{
Name: common.NodeProblemDetectorAddonName,
Enabled: to.BoolPtr(DefaultNodeProblemDetectorAddonEnabled),
Config: map[string]string{
"customPluginMonitor": "/config/kernel-monitor-counter.json,/config/systemd-monitor-counter.json",
"systemLogMonitor": "/config/kernel-monitor.json,/config/docker-monitor.json,/config/systemd-monitor.json",
"systemStatsMonitor": "/config/system-stats-monitor.json",
"versionLabel": "v0.8.2",
},
Containers: []KubernetesContainerSpec{
{
Name: common.NodeProblemDetectorAddonName,
Image: k8sComponents[common.NodeProblemDetectorAddonName],
CPURequests: "20m",
MemoryRequests: "20Mi",
CPULimits: "200m",
MemoryLimits: "100Mi",
},
},
}
defaultAppGwAddonsConfig := KubernetesAddon{
Name: common.AppGwIngressAddonName,
Enabled: to.BoolPtr(DefaultAppGwIngressAddonEnabled),
Config: map[string]string{
"appgw-subnet": "",
"appgw-sku": "WAF_v2",
"appgw-private-ip": "",
},
}
defaultAzureDiskCSIDriverAddonsConfig := KubernetesAddon{
Name: common.AzureDiskCSIDriverAddonName,
Enabled: to.BoolPtr(DefaultAzureDiskCSIDriverAddonEnabled && cs.Properties.ShouldEnableAzureCloudAddon(common.AzureDiskCSIDriverAddonName)),
Containers: []KubernetesContainerSpec{
{
Name: common.CSIProvisionerContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSIProvisionerContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIAttacherContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSIAttacherContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSILivenessProbeContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSILivenessProbeContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSINodeDriverRegistrarContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSINodeDriverRegistrarContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSILivenessProbeWindowsContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSILivenessProbeWindowsContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSINodeDriverRegistrarWindowsContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSINodeDriverRegistrarWindowsContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSISnapshotterContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSISnapshotterContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSISnapshotControllerContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSISnapshotControllerContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIResizerContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSIResizerContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIAzureDiskContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureDiskCSIDriverAddonName, common.CSIAzureDiskContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
},
}
defaultAzureFileCSIDriverAddonsConfig := KubernetesAddon{
Name: common.AzureFileCSIDriverAddonName,
Enabled: to.BoolPtr(DefaultAzureFileCSIDriverAddonEnabled && cs.Properties.ShouldEnableAzureCloudAddon(common.AzureFileCSIDriverAddonName)),
Containers: []KubernetesContainerSpec{
{
Name: common.CSIProvisionerContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSIProvisionerContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIAttacherContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSIAttacherContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSILivenessProbeContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSILivenessProbeContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSINodeDriverRegistrarContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSINodeDriverRegistrarContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSILivenessProbeWindowsContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSILivenessProbeWindowsContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSINodeDriverRegistrarWindowsContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSINodeDriverRegistrarWindowsContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSISnapshotterContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSISnapshotterContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIResizerContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSIResizerContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
{
Name: common.CSIAzureFileContainerName,
Image: specConfig.MCRKubernetesImageBase + getCSISidecarComponent(common.AzureFileCSIDriverAddonName, common.CSIAzureFileContainerName, k8sComponents),
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "2",
MemoryLimits: "2Gi",
},
},
}
defaultKubeDNSAddonsConfig := KubernetesAddon{
Name: common.KubeDNSAddonName,
Enabled: to.BoolPtr(DefaultKubeDNSAddonEnabled),
Config: map[string]string{
"domain": o.KubernetesConfig.KubeletConfig["--cluster-domain"],
"clusterIP": o.KubernetesConfig.DNSServiceIP,
},
Containers: []KubernetesContainerSpec{
{
Name: "kubedns",
Image: kubernetesImageBase + k8sComponents[common.KubeDNSAddonName],
},
{
Name: common.DNSMasqComponentName,
Image: kubernetesImageBase + k8sComponents[common.DNSMasqComponentName],
},
{
Name: "sidecar",
Image: kubernetesImageBase + k8sComponents[common.DNSSidecarComponentName],
},
},
}
defaultCorednsAddonsConfig := KubernetesAddon{
Name: common.CoreDNSAddonName,
Enabled: to.BoolPtr(DefaultCoreDNSAddonEnabled),
Config: map[string]string{
"domain": o.KubernetesConfig.KubeletConfig["--cluster-domain"],
"clusterIP": o.KubernetesConfig.DNSServiceIP,
"cores-per-replica": "512",
"nodes-per-replica": "32",
"min-replicas": "1",
},
Containers: []KubernetesContainerSpec{
{
Name: common.CoreDNSAddonName,
Image: kubernetesImageBase + k8sComponents[common.CoreDNSAddonName],
},
{
Name: common.CoreDNSAutoscalerName,
Image: k8sComponents[common.CoreDNSAutoscalerName],
},
},
}
// set host network to true for single stack IPv6 as the the nameserver is currently
// IPv4 only. By setting it to host network, we can leverage the host routes to successfully
// resolve dns.
if cs.Properties.FeatureFlags.IsFeatureEnabled("EnableIPv6Only") {
defaultCorednsAddonsConfig.Config["use-host-network"] = "true"
}
// If we have any explicit coredns or kube-dns configuration in the addons array
if getAddonsIndexByName(o.KubernetesConfig.Addons, common.KubeDNSAddonName) != -1 || getAddonsIndexByName(o.KubernetesConfig.Addons, common.CoreDNSAddonName) != -1 {
// Ensure we don't we don't prepare an addons spec w/ both kube-dns and coredns enabled
if o.KubernetesConfig.IsAddonEnabled(common.KubeDNSAddonName) {
defaultCorednsAddonsConfig.Enabled = to.BoolPtr(false)
}
}
defaultKubeProxyAddonsConfig := KubernetesAddon{
Name: common.KubeProxyAddonName,
Enabled: to.BoolPtr(DefaultKubeProxyAddonEnabled),
Config: map[string]string{
"cluster-cidr": o.KubernetesConfig.ClusterSubnet,
"proxy-mode": string(o.KubernetesConfig.ProxyMode),
"featureGates": cs.Properties.GetKubeProxyFeatureGates(),
},
Containers: []KubernetesContainerSpec{
{
Name: common.KubeProxyAddonName,
Image: kubernetesImageBase + k8sComponents[common.KubeProxyAddonName] + kubeProxyImageSuffix(*cs),
},
},
}
// set bind address, healthz and metric bind address to :: explicitly for
// single stack IPv6 cluster as it is single stack IPv6 on dual stack host
if cs.Properties.FeatureFlags.IsFeatureEnabled("EnableIPv6Only") {
defaultKubeProxyAddonsConfig.Config["bind-address"] = "::"
defaultKubeProxyAddonsConfig.Config["healthz-bind-address"] = "::"
defaultKubeProxyAddonsConfig.Config["metrics-bind-address"] = "::1"
}
defaultPodSecurityPolicyAddonsConfig := KubernetesAddon{
Name: common.PodSecurityPolicyAddonName,
Enabled: to.BoolPtr(common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.15.0") || to.Bool(o.KubernetesConfig.EnablePodSecurityPolicy)),
}
defaultAuditPolicyAddonsConfig := KubernetesAddon{
Name: common.AuditPolicyAddonName,
Enabled: to.BoolPtr(true),
}
defaultAzureCloudProviderAddonsConfig := KubernetesAddon{
Name: common.AzureCloudProviderAddonName,
Enabled: to.BoolPtr(true),
}
defaultAADDefaultAdminGroupAddonsConfig := KubernetesAddon{
Name: common.AADAdminGroupAddonName,
Enabled: to.BoolPtr(cs.Properties.HasAADAdminGroupID()),
Config: map[string]string{
"adminGroupID": cs.Properties.GetAADAdminGroupID(),
},
}
defaultFlannelAddonsConfig := KubernetesAddon{
Name: common.FlannelAddonName,
Enabled: to.BoolPtr(o.KubernetesConfig.NetworkPlugin == NetworkPluginFlannel),
Containers: []KubernetesContainerSpec{
{
Name: common.KubeFlannelContainerName,
Image: k8sComponents[common.KubeFlannelContainerName],
},
{
Name: common.FlannelInstallCNIContainerName,
Image: k8sComponents["flannel"+common.FlannelInstallCNIContainerName],
},
},
}
defaultScheduledMaintenanceAddonsConfig := KubernetesAddon{
Name: common.ScheduledMaintenanceAddonName,
Enabled: to.BoolPtr(false),
Containers: []KubernetesContainerSpec{
{
Name: common.KubeRBACProxyContainerName,
Image: k8sComponents[common.KubeRBACProxyContainerName],
},
{
Name: common.ScheduledMaintenanceManagerContainerName,
Image: k8sComponents[common.ScheduledMaintenanceManagerContainerName],
},
},
}
defaultSecretsStoreCSIDriverAddonsConfig := KubernetesAddon{
Name: common.SecretsStoreCSIDriverAddonName,
Enabled: to.BoolPtr(!o.KubernetesConfig.IsAddonEnabled(common.KeyVaultFlexVolumeAddonName) && DefaultSecretStoreCSIDriverAddonEnabled &&
common.IsKubernetesVersionGe(o.OrchestratorVersion, "1.16.0")),
Containers: []KubernetesContainerSpec{
{
Name: common.CSILivenessProbeContainerName,
Image: specConfig.MCRKubernetesImageBase + k8sComponents[common.CSILivenessProbeContainerName],
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "200m",
MemoryLimits: "200Mi",
},
{
Name: common.CSINodeDriverRegistrarContainerName,
Image: specConfig.MCRKubernetesImageBase + k8sComponents[common.CSINodeDriverRegistrarContainerName],
CPURequests: "10m",
MemoryRequests: "20Mi",
CPULimits: "200m",
MemoryLimits: "200Mi",
},
{
Name: common.CSISecretsStoreDriverContainerName,
Image: specConfig.MCRKubernetesImageBase + k8sComponents[common.CSISecretsStoreDriverContainerName],
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "200m",
MemoryLimits: "200Mi",
},
{
Name: common.CSISecretsStoreProviderAzureContainerName,
Image: specConfig.MCRKubernetesImageBase + k8sComponents[common.CSISecretsStoreProviderAzureContainerName],
CPURequests: "50m",
MemoryRequests: "100Mi",
CPULimits: "200m",
MemoryLimits: "200Mi",
},
},
}
defaultAzureArcOnboardingAddonsConfig := KubernetesAddon{
Name: common.AzureArcOnboardingAddonName,
Enabled: to.BoolPtr(DefaultAzureArcOnboardingAddonEnabled),
Containers: []KubernetesContainerSpec{
{
Name: common.AzureArcOnboardingAddonName,
Image: k8sComponents[common.AzureArcOnboardingAddonName],
},
},
}
// Allow folks to simply enable kube-dns at cluster creation time without also requiring that coredns be explicitly disabled
if !isUpgrade && o.KubernetesConfig.IsAddonEnabled(common.KubeDNSAddonName) {
defaultCorednsAddonsConfig.Enabled = to.BoolPtr(false)
}
defaultAddons := []KubernetesAddon{
defaultTillerAddonsConfig,
defaultACIConnectorAddonsConfig,
defaultClusterAutoscalerAddonsConfig,
defaultBlobfuseFlexVolumeAddonsConfig,
defaultSMBFlexVolumeAddonsConfig,
defaultKeyVaultFlexVolumeAddonsConfig,
defaultDashboardAddonsConfig,
defaultReschedulerAddonsConfig,
defaultMetricsServerAddonsConfig,
defaultNVIDIADevicePluginAddonsConfig,
defaultContainerMonitoringAddonsConfig,
defaultAzureCNINetworkMonitorAddonsConfig,
defaultAzureNetworkPolicyAddonsConfig,
defaultCloudNodeManagerAddonsConfig,
defaultIPMasqAgentAddonsConfig,
defaultsCalicoDaemonSetAddonsConfig,
defaultsCiliumAddonsConfig,
defaultsAADPodIdentityAddonsConfig,
defaultAppGwAddonsConfig,
defaultAzureDiskCSIDriverAddonsConfig,
defaultAzureFileCSIDriverAddonsConfig,
defaultsAzurePolicyAddonsConfig,
defaultNodeProblemDetectorConfig,
defaultKubeDNSAddonsConfig,
defaultCorednsAddonsConfig,
defaultKubeProxyAddonsConfig,
defaultPodSecurityPolicyAddonsConfig,
defaultAuditPolicyAddonsConfig,
defaultAzureCloudProviderAddonsConfig,
defaultAADDefaultAdminGroupAddonsConfig,
defaultsAntreaDaemonSetAddonsConfig,
defaultFlannelAddonsConfig,
defaultScheduledMaintenanceAddonsConfig,
defaultSecretsStoreCSIDriverAddonsConfig,
defaultAzureArcOnboardingAddonsConfig,
}
// Add default addons specification, if no user-provided spec exists
if o.KubernetesConfig.Addons == nil {
o.KubernetesConfig.Addons = defaultAddons
} else {
for _, addon := range defaultAddons {
o.KubernetesConfig.Addons = appendAddonIfNotPresent(o.KubernetesConfig.Addons, addon)
}
}
// Ensure cloud-node-manager and CSI components are enabled on appropriate upgrades
if isUpgrade &&
cs.Properties.ShouldEnableAzureCloudAddon(common.AzureDiskCSIDriverAddonName) &&
cs.Properties.ShouldEnableAzureCloudAddon(common.AzureFileCSIDriverAddonName) &&
cs.Properties.ShouldEnableAzureCloudAddon(common.CloudNodeManagerAddonName) {
componentry := map[string]KubernetesAddon{
common.AzureDiskCSIDriverAddonName: defaultAzureDiskCSIDriverAddonsConfig,
common.AzureFileCSIDriverAddonName: defaultAzureFileCSIDriverAddonsConfig,
common.CloudNodeManagerAddonName: defaultCloudNodeManagerAddonsConfig,
}
for name, config := range componentry {
if i := getAddonsIndexByName(o.KubernetesConfig.Addons, name); i > -1 {
if !to.Bool(o.KubernetesConfig.Addons[i].Enabled) {
o.KubernetesConfig.Addons[i] = config
}
}
}
}
// Back-compat for older addon specs of cluster-autoscaler
if isUpgrade {
i := getAddonsIndexByName(o.KubernetesConfig.Addons, common.ClusterAutoscalerAddonName)
if i > -1 && to.Bool(o.KubernetesConfig.Addons[i].Enabled) {
if o.KubernetesConfig.Addons[i].Pools == nil {
log.Warnf("This cluster upgrade operation will enable the per-pool cluster-autoscaler addon.\n")
var pools []AddonNodePoolsConfig
for i, p := range cs.Properties.AgentPoolProfiles {
pool := AddonNodePoolsConfig{
Name: p.Name,
Config: map[string]string{
"min-nodes": strconv.Itoa(p.Count),
"max-nodes": strconv.Itoa(p.Count),
},
}
if i == 0 {
originalMinNodes := o.KubernetesConfig.Addons[i].Config["min-nodes"]
originalMaxNodes := o.KubernetesConfig.Addons[i].Config["max-nodes"]
if originalMinNodes != "" {
pool.Config["min-nodes"] = originalMinNodes
delete(o.KubernetesConfig.Addons[i].Config, "min-nodes")
}
if originalMaxNodes != "" {
pool.Config["max-nodes"] = originalMaxNodes
delete(o.KubernetesConfig.Addons[i].Config, "max-nodes")
}
}
log.Warnf("cluster-autoscaler will configure pool \"%s\" with min-nodes=%s, and max-nodes=%s.\n", pool.Name, pool.Config["min-nodes"], pool.Config["max-nodes"])
pools = append(pools, pool)
}
o.KubernetesConfig.Addons[i].Pools = pools
log.Warnf("You may modify the pool configurations via `kubectl edit deployment cluster-autoscaler -n kube-system`.\n")
log.Warnf("Look for the `--nodes=` configuration flags (see below) in the deployment spec:\n")
log.Warnf("\n%s", GetClusterAutoscalerNodesConfig(o.KubernetesConfig.Addons[i], cs))
}
}
}
// Back-compat for pre-1.12 clusters built before kube-dns and coredns were converted to user-configurable addons
// Migrate to coredns unless coredns is explicitly set to false